Added line stroke testing

2026-02-10 18:05:41 +08:00 · 2025-02-13 12:40:10 +03:00
parent a93db0e012
commit c15098ed7b
2 changed files with 108 additions and 0 deletions
--- a/DesktopEditor/raster/tests/test-line-stroke/test/main.cpp
+++ b/DesktopEditor/raster/tests/test-line-stroke/test/main.cpp
@ -0,0 +1,91 @@
+#include "../../../../graphics/pro/Graphics.h"
+#include "../../../../../raster/BgraFrame.h"
+#include "../../../../../common/Directory.h"
+
+#define RGB_TO_INT(r, g, b) ((long)( ( (unsigned char)(r) )| ( ( (unsigned char)(g) ) << 8 ) | ( ( (unsigned char)(b) ) << 16 ) | ( (unsigned char)(255) << 24 ) ) )
+
+void DrawLine(IRenderer* pRenderer, unsigned int unX1, unsigned int unY1, unsigned int unX2, unsigned int unY2)
+{
+	pRenderer->BeginCommand(c_nPathType);
+	pRenderer->PathCommandMoveTo(unX1, unY1);
+	pRenderer->PathCommandLineTo(unX2, unY2);
+	pRenderer->DrawPath(c_nStroke);
+	pRenderer->EndCommand(c_nPathType);
+}
+
+void DrawEquilateralPolygon(IRenderer* pRenderer, unsigned int unCenterX, unsigned int unCenterY, unsigned int unRadius, unsigned int unCountCorners)
+{
+	if (nullptr == pRenderer)
+		return;
+
+	unsigned int unX1, unY1, unX2, unY2;
+
+	for (unsigned int unIndex = 1; unIndex < unCountCorners; ++unIndex)
+	{
+		unX1 = (unsigned int)(unRadius * sin(2 * (unIndex - 1) * M_PI / unCountCorners) + 0.5);
+		unY1 = (unsigned int)(unRadius * cos(2 * (unIndex - 1) * M_PI / unCountCorners) + 0.5);
+		unX2 = (unsigned int)(unRadius * sin(2 * (unIndex - 0) * M_PI / unCountCorners) + 0.5);
+		unY2 = (unsigned int)(unRadius * cos(2 * (unIndex - 0) * M_PI / unCountCorners) + 0.5);
+
+		DrawLine(pRenderer, unCenterX + unX1, unCenterY + unY1, unCenterX + unX2, unCenterY + unY2);
+	}
+
+	unX1 = unX2;
+	unY1 = unY2;
+
+	unX2 = (unsigned int)(unRadius * sin(0) + 0.5);
+	unY2 = (unsigned int)(unRadius * cos(0) + 0.5);
+
+	DrawLine(pRenderer, unCenterX + unX1, unCenterY + unY1, unCenterX + unX2, unCenterY + unY2);
+}
+
+int main(int argc, char *argv[])
+{
+	NSGraphics::IGraphicsRenderer* pRasterRenderer = NSGraphics::Create();
+
+	unsigned int unWidth  = 521;
+	unsigned int unHeight = 172;
+
+	BYTE* pData = new BYTE[4 * unWidth * unHeight];
+	for (unsigned long unIndex = 0; unIndex < unWidth * unHeight; ++unIndex)
+		((unsigned int*)pData)[unIndex] = 0xffffff;
+
+	CBgraFrame oFrame;
+	oFrame.put_Data(pData);
+	oFrame.put_Width(unWidth);
+	oFrame.put_Height(unHeight);
+	oFrame.put_Stride(4 * unWidth);
+
+	pRasterRenderer->CreateFromBgraFrame(&oFrame);
+	pRasterRenderer->SetSwapRGB(false);
+
+	double dW_MM = unWidth * 25.4 / 96.;
+	double dH_MM = unHeight * 25.4 / 96.;
+
+	pRasterRenderer->put_Width(dW_MM);
+	pRasterRenderer->put_Height(dH_MM);
+
+	pRasterRenderer->put_PenColor(RGB_TO_INT(255, 0, 0));
+	pRasterRenderer->put_PenSize(15);
+
+	Aggplus::CMatrix oTransform(0.13338, 0, 0, 0.13395, 0, 0);
+
+	const double dScale = 0.4;
+
+	oTransform.Scale(dScale, dScale);
+
+	pRasterRenderer->SetTransform(oTransform.sx(), oTransform.shy(), oTransform.shx(), oTransform.sy(), oTransform.tx(), oTransform.ty());
+
+	// Рисуем многоугольник
+	// Видим, что появля.тся практически черные точки (на самом деле это очень темный красный цвет)
+	// Если же хотя бы чуть-чуть сместим местоположение отрисовки, то проблемные пиксели будут уже в других местах
+	DrawEquilateralPolygon(pRasterRenderer, 1000, 410, 400, 6);
+	// Если ещё что-то нарисуем, то некоторые проблемные места пропадут (у 6-угольника например нормализуются левая и правая стороны)
+	// DrawLine(pRasterRenderer, 100, 0, 100, 300);
+
+	oFrame.SaveFile(L"test-line-stroke.png", 4);
+
+	RELEASEINTERFACE(pRasterRenderer);
+
+	return 0;
+}
--- a/DesktopEditor/raster/tests/test-line-stroke/test/test.pro
+++ b/DesktopEditor/raster/tests/test-line-stroke/test/test.pro
@ -0,0 +1,17 @@
+QT       -= gui
+
+TARGET = test
+CONFIG   += console
+CONFIG   -= app_bundle
+TEMPLATE = app
+
+CORE_ROOT_DIR = $$PWD/../../../../..
+PWD_ROOT_DIR = $$PWD
+
+include($$CORE_ROOT_DIR/Common/base.pri)
+
+ADD_DEPENDENCY(kernel, graphics, UnicodeConverter)
+
+SOURCES += main.cpp
+
+DESTDIR = $$PWD_ROOT_DIR/build/$$CORE_BUILDS_PLATFORM_PREFIX/$$CORE_BUILDS_CONFIGURATION_PREFIX